Newest questions posted by blessing
  1. physics

    if spring 20cm is stretch to 25cm by a load of son, what will be its length when stretched by 100N assuming that the elastic limit is not reach
  2. chemistry

    balance this equationwiththerealanswer Zn(s)plusHclisequaltoZncl2plusH2
  3. Math

    Solve 2^t-2^t-1=40
  4. Math

    The sum of two numbers is =21.five times the first number is added to two times the second number is =66 what the number
  5. Algebra 1

    how do I solve 5x^2+5x-60=0 using the quadratic formula?
  6. Algebra 1

    How do I solve this quadratic equation using the quadratic formula "8a(squared)-a+2=0"
  7. chemistry

    magnesium react with hydrochloric acid,what is the volume of hydrogen produced at r.t.p when 0.12g of magnesium ribbon react?
  8. mathematics

    the sum of two numbers is 31. 2/3 of one of the numbers added is equal to 5/8 of the other.find the two numbers
  9. fountain of knowledge international academy

    Calculates the mass concentration in g dm3 of the ions in the following solutions A, Cl- ions in 0•2mol dm3 of NaCl solution B,NO3 ions in 0•75 mol trioxonitrate (v) acid C,SO4^-2 ion in 2 mol dm3 potassium tetra ox soul phage ( VI) solutions
  10. fountain of knowledge international academy

    A metal x with relative atomic mass of 56forms an oxide with formul X2O3 .How many grams of the metals will combine with 10g of oxygen Ethane burns completely in oxygen according to the equations below C2H6+7¡2O2~2CO +3H2O what is the amount in moles of
  11. math

    I am greater than 15.I am less than 19.I am an even.when you double will not get me,who am I?
  12. Maths

    If 4logx+6logx-7logx=log27.find x.
  13. Physics

    If a spring has a stiffness of 950nm-1, what work will be done in extending the spring by 60mm?
  14. further maths

    a stone is projected from a catapult with a speed of 50m/s and it attains a height 100m calculate d angle of projection
  15. Math

    If two balls are selected randomly without replacement four a bag containing 4 red and 8 green balls. List the element of the sample space corresponding probabilities.
  16. mathematics

    from a point on the edge of the sea one ship is 24km away on a bearing of S50E and another ship is 7km away on a bearing of far apart are the ships
  17. Business math

  18. chemistry

    A given mass of gas has a volume of 7.5dm at 250k and 80kmm3,calculate the pressure at which it will have a volume of 7.2dm3 at 270k?
  19. accounting

    Do these in a journal entries form and illustrate it:1. August 7. Bought supplies in account from Long Music Supplies, $ 2720.00. August 7. Received cash from sales $400.00. August 11. Paid cash on account to Caroline office supplies $250.00. August 11.
  20. physis

    A lorry is travelling at 60 km/hr when the brakes are applied. Assuming that the deceleration is uniformly at 2m/hr, how far has the lorry travelled when its speed is 36km/hr after 6seconds.
  21. Physics

    A wire of length 2.00m and radius 1.0mm is stretched modulus for the wire
  22. Lccn

  23. Lccn shool

  24. Lccn shool

  25. business finance

    a coy invests 250000 which is expected 2 generate d following cash flow 80000,60000;45000;20000;10000: for 5yrs.wot is d payback period ?
  26. C Programming

    Write a C program that accepts sales made by 5 sales reps for the 4 months that they have been selling the company's products. The program should then find the total sales for 4 months, total sales for each sales rep, and total sales per month. The highest
  27. Physics

    A mass accelerates uniformly when the resultant force acting on it is......?
  28. chemistry

    A certain volume of a gas at 298kelvin is heated such that its volume and pressure are now four times their original value.What is the new tewperature?
  29. Life orientation

    I NEED HELP In 10-15 lines critically discuss 5 ways HIV/AIDS problem impacts on the community.
  30. Physics

    A lead bullet travelling at 350km/s strikes a target and is brought to rest.What will be the rise in the temperature of the bullet if there is no heat loss to the surrounding (SHC of Pb is 0.13J/k/kg and melting point of pb=600.5k)
  31. information literacy

    1. which article title represents a citation under the news results? A)priceton paleontologist produces evidence for new theory on dinosaurs extinction B)chunk of death dealing with astroid found C)second crater points to killer comets D)extinctions tied
  32. business studies

    A business is an institution that exist to serve the need of people for goods and services in a society. discuss